1. The causes, maintenance mechanism and ecological effects of environmental microbial diversity
1.1 Soil microbial diversity
1.2 Effect mechanism of soil fungal hyphae on bacterial mobility
1.3 Effects mechanism of interaction between viruses and bacteria on microbial community structure and carbon and nitrogen cycle in soil
2. The regulation mechanism of soil water and fertilizer cycling and efficient utilization driven by microorganism
2.1 Microscopic interaction mechanism of functional bacteria in soil
2.2 Interactions between functional bacteria and minerals in soil at microscale scale
2.3 Mechanism of soil bacterial chemotaxis regulating microbial diversity and nutrient cycling in Rhizosphere
3. Mechanism and technology of microbial control and ecological restoration of soil and water pollution
3.1 The mechanism of bacterial extracellular polymers affecting the conjugation and transfer of bacterial plasmids and their microscale spatial distribution
3.2 Motility of pathogenic bacteria in soil and water and its influence mechanism on biofilm cycle
3.3 Distribution characteristics and evolution patterns of antibiotic resistance genes in soil irrigated with reclaimed water in typical areas of Beijing, Tianjin and Hebei
4. Regulation mechanism of soil carbon and nitrogen cycling by returning agricultural wastes and their resource products
4.1 Microdomain heterogeneity of the interface between returned materials and soil, and the related responses and feedback processes of microorganisms
4.2 Effect mechanism of biochar on soil carbon and nitrogen transformation and related greenhouse gas emissions in the carbon microdomains